Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning light and slip indicator light.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information (See page PROCEDURE PROCEDURE ).

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication system DTCs are output (See page Result Result ).

Result

Result

Proceed to

DTC is not output

A

DTC is output

B

B

CHECK CAN COMMUNICATION SYSTEM

A

2.

INSPECT DLC3

(a) Turn the ignition switch to ON.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

D4-13 (TC) - D4-4 (CG)

Ignition switch ON

11 to 14 V

Text in Illustration

*a

Front view of DLC3

NG

GO TO STEP 4

OK

3.

REPLACE ECM

(a) Turn the ignition switch off.

(b) Replace the ECM.

  • for 2GR-FKS: (See page ) for 2TR-FE: (See page )
  • for 2TR-FE: (See page ) )

(c) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST: 09843-18040

(d) Check that the ABS warning and slip indicator lights are blinking.

OK:

The ABS warning and slip indicator lights are blinking.

Text in Illustration

*a

Front view of DLC3

OK

END

NG

REPLACE BRAKE ACTUATOR ASSEMBLY

4.

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

(a) Turn the ignition switch off.

(b) Disconnect the E13*1, E21*2 ECM connector.

  • *1: for 2GR-FKS
  • *2: for 2TR-FE

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for 2GR-FKS:

Tester Connection

Condition

Specified Condition

D4-13 (TC) - E14-20 (TC)

Always

Below 1 Ω

D4-13 (TC) or E14-20 (TC) - Body ground

Always

10 kΩ or higher

for 2TR-FE:

Tester Connection

Condition

Specified Condition

D4-13 (TC) - E21-19 (TC)

Always

Below 1 Ω

D4-13 (TC) or E21-19 (TC) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.

CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D4-4 (CG) - Body ground

Always

Below 1 Ω

Text in Illustration

*a

Front view of DLC3

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

6.

REPLACE ECM

(a) Replace the ECM.

  • for 2GR-FKS: (See page ) for 2TR-FE: (See page )
  • for 2TR-FE: (See page ) )

(b) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST: 09843-18040

(c) Check that the ABS warning and slip indicator lights are blinking.

OK:

The ABS warning and slip indicator lights are blinking.

Text in Illustration

*a

Front view of DLC3

OK

END

NG

REPLACE BRAKE ACTUATOR ASSEMBLY

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